#!/bin/bash -eu
# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################

# Set encoding to UTF-8 for Java compilation
export JAVA_TOOL_OPTIONS="-Dfile.encoding=UTF-8"

# Build only Java 8/11/15 compatible versions, skip Java 21 tasks
$GRADLE jar -x compileJava21Java -x java21Classes
find . -name "core*.jar" -exec cp {} $OUT/core.jar \;
find . -name "bcpkix*.jar" -exec cp {} $OUT/bcpkix.jar \;
find . -name "bcutil*.jar" -exec cp {} $OUT/bcutil.jar \;
find . -name "bcprov*.jar" -exec cp {} $OUT/bcprov.jar \;

ALL_JARS="core.jar bcpkix.jar bcutil.jar bcprov.jar"

# The classpath at build-time includes the project jars in $OUT as well as the
# Jazzer API.
BUILD_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "$OUT/%s:"):$JAZZER_API_PATH:/src/bc-java/pkix/src/test/java/


# All .jar and .class files lie in the same directory as the fuzzer at runtime.
RUNTIME_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "\$this_dir/%s:"):\$this_dir

for fuzzer in $(find $SRC -name '*Fuzzer.java'); do
  fuzzer_basename=$(basename -s .java $fuzzer)
  javac -encoding UTF-8 -cp $BUILD_CLASSPATH $fuzzer
  cp $SRC/$fuzzer_basename.class $OUT/


  # Create an execution wrapper that executes Jazzer with the correct arguments.
  echo "#!/bin/bash
# LLVMFuzzerTestOneInput for fuzzer detection.
this_dir=\$(dirname \"\$0\")
if [[ \"\$@\" =~ (^| )-runs=[0-9]+($| ) ]]; then
  mem_settings='-Xmx1900m:-Xss900k'
else
  mem_settings='-Xmx2048m:-Xss1024k'
fi
LD_LIBRARY_PATH=\"$JVM_LD_LIBRARY_PATH\":\$this_dir \
\$this_dir/jazzer_driver --agent_path=\$this_dir/jazzer_agent_deploy.jar \
--keep_going=20 \
--cp=$RUNTIME_CLASSPATH \
--target_class=$fuzzer_basename \
--jvm_args=\"\$mem_settings\" \
\$@" > $OUT/$fuzzer_basename
  chmod u+x $OUT/$fuzzer_basename
done

mkdir -p $OUT/org/bouncycastle/cms/test
cp -r /src/bc-java/pkix/src/test/java/org $OUT
